package com.xxxx.seckill.utils;

import org.apache.commons.codec.digest.DigestUtils;
import org.junit.Test;
import org.springframework.stereotype.Component;

@Component
public class MD5Util {
    public static String md5(String src){
        return DigestUtils.md5Hex (src);
    }
    private  static final String salt="1a2b3c4d";
    public  static String inputPassToFromPass(String inputPass){
        String str = ""+salt.charAt (0) + salt.charAt (2) + inputPass + salt.charAt (5) + salt.charAt (4);
        return md5 (str);
    }

    public  static String formPassToDBPass(String formPass,String salt){
        String str = ""+salt.charAt (0) + salt.charAt (2) + formPass + salt.charAt (5) + salt.charAt (4);
        return md5 (str);
    }
    @Test
    public static String inputPassToDBPass(String inputPass,String salt){
        String fromPass = inputPassToFromPass (inputPass);
        String dbPass = formPassToDBPass (fromPass, salt);
        return dbPass;
    }


    public static void main(String[] args) {
        System.out.println ( inputPassToFromPass ("123456"));
        System.out.println (formPassToDBPass ("d3b1294a61a07da9b49b6e22b2cbd7f9","1a2b3c4d") );
        System.out.println (inputPassToDBPass ("123456","1a2b3c4d") );
    }
}
